need a video

so is it still correct to say, "Not all dogs are friendly." ?

Thank you Kevin for this explanation!!

the example used in the video is nothing compared to these questions...can we improve the video by adding more complicated examples?

Are we doomed to fail to fail if we write down these low-res summaries during the test? I'm afraid I won't remember when there are multiple viewpoints, and I feel it could take me more time if I have to keep looking over the paragraphs.